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U.S. Census Bureau regions and divisions. Since 1950, the United States Census Bureau defines four statistical regions, with nine divisions. [1] [2] The Census Bureau region definition is "widely used... for data collection and analysis", [3] and is the most commonly used classification system.
United States mass media navigational boxes by region (5 C) Pages in category "Regions of the United States" The following 76 pages are in this category, out of 76 total.
The physiographic regions of the contiguous United States comprise 8 divisions, 25 provinces, and 85 sections. [1] The system dates to Nevin Fenneman's report Physiographic Divisions of the United States, published in 1916. [2] [3] The map was updated and republished by the Association of American Geographers in 1928. [4]
The United States of America is a federal republic [1] consisting of 50 states, a federal district (Washington, D.C., the capital city of the United States), five major territories, and various minor islands. [2] [3] Both the states and the United States as a whole are each sovereign jurisdictions. [4]
The Northeastern United States (also referred to as the Northeast, the East Coast, [b] or the American Northeast) is one of the four census regions defined by the United States Census Bureau. Located on the Atlantic coast of North America , the region borders Canada to its north, the Southern United States to its south, the Midwestern United ...
The term "United States," when used in the geographic sense, refers to the contiguous United States (sometimes referred to as the Lower 48, including the District of Columbia not as a state), Alaska, Hawaii, the five insular territories of Puerto Rico, Northern Mariana Islands, U.S. Virgin Islands, Guam, American Samoa, and minor outlying possessions. [1]
[21] [22] As defined by the United States Census Bureau, [1] the Southern region of the United States includes sixteen states and the District of Columbia. As of 2010, an estimated 114,555,744 people, or thirty-seven percent of all U.S. residents, lived in the South, the nation's most populous region. [ 23 ]
Level III subdivides the continent into 182 smaller ecoregions; of these, 104 lie partly or wholly with the United States. [1] [3] Level IV is a further subdivision of Level III ecoregions. Level IV mapping is still underway but is complete across most of the United States.